1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
/* { dg-do assemble } */
/* { dg-options "-O -march=armv8-a+sve -msve-vector-bits=256 --save-temps" } */
#include <stdint.h>
typedef uint16_t vnx8hi __attribute__((vector_size (32)));
typedef _Float16 vnx8hf __attribute__((vector_size (32)));
#define MASK_2(X, Y) (X) ^ (Y), (X + 1) ^ (Y)
#define MASK_4(X, Y) MASK_2 (X, Y), MASK_2 (X + 2, Y)
#define MASK_8(X, Y) MASK_4 (X, Y), MASK_4 (X + 4, Y)
#define MASK_16(X, Y) MASK_8 (X, Y), MASK_8 (X + 8, Y)
#define MASK_32(X, Y) MASK_16 (X, Y), MASK_16 (X + 16, Y)
#define INDEX_16 vnx8hi
#define PERMUTE(TYPE, NUNITS, REV_NUNITS) \
TYPE permute_##TYPE##_##REV_NUNITS (TYPE values1, TYPE values2) \
{ \
return __builtin_shuffle \
(values1, values2, \
((INDEX_##NUNITS) { MASK_##NUNITS (0, REV_NUNITS - 1) })); \
}
#define TEST_ALL(T) \
T (vnx8hi, 16, 2) \
T (vnx8hi, 16, 4) \
T (vnx8hf, 16, 2) \
T (vnx8hf, 16, 4)
TEST_ALL (PERMUTE)
/* { dg-final { scan-assembler-not {\ttbl\t} } } */
/* { dg-final { scan-assembler-times {\trevh\tz[0-9]+\.d, p[0-7]/m, z[0-9]+\.d} 2 } } */
/* { dg-final { scan-assembler-times {\trevh\tz[0-9]+\.s, p[0-7]/m, z[0-9]+\.s} 2 } } */
|
